Akira Hiraiwa

Follow

Person

Yokosuka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Full-time wearable information managing device and method for the same
- Patent number 6,380,923
- Issue date Apr 30, 2002
- Nippon Telegraph and Telephone Corporation
- Masaaki Fukumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Handwritting information detecting method and apparatus detachably...
- Patent number 5,781,661
- Issue date Jul 14, 1998
- Nippon Telegraph & Telephone Corporation
- Akira Hiraiwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Character recognition method
- Patent number 5,745,599
- Issue date Apr 28, 1998
- Nippon Telegraph & Telephone Corporation
- Tadasu Uchiyama
- G06 - COMPUTING CALCULATING COUNTING